5641350622421 has 2 divisors, whose sum is σ = 5641350622422. Its totient is φ = 5641350622420.

The previous prime is 5641350622387. The next prime is 5641350622451. The reversal of 5641350622421 is 1242260531465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5610123844900 + 31226777521 = 2368570^2 + 176711^2 .

It is a cyclic number.

It is not a de Polignac number, because 5641350622421 - 2¹⁰ = 5641350621397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5641350622451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820675311210 + 2820675311211.

It is an arithmetic number, because the mean of its divisors is an integer number (2820675311211).

Almost surely, 2^{5641350622421} is an apocalyptic number.

It is an amenable number.

5641350622421 is a deficient number, since it is larger than the sum of its proper divisors (1).

5641350622421 is an equidigital number, since it uses as much as digits as its factorization.

5641350622421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 5641350622421 in words is "five trillion, six hundred forty-one billion, three hundred fifty million, six hundred twenty-two thousand, four hundred twenty-one".